NCLEX-RN
Exam Cram NCLEX RN Practice Questions
1. The healthcare professional has collected the following information on a patient: palpated blood pressure"?180 mm Hg; auscultated blood pressure"?170/100 mm Hg; apical pulse"?60 beats per minute; radial pulse"?70 beats per minute. What is the patient's pulse pressure?
- A. 10
- B. 70
- C. 80
- D. 100
Correct answer: B
Rationale: Pulse pressure is the numerical difference between the systolic and diastolic blood pressure readings. In this case, the systolic blood pressure is 170 mm Hg, and the diastolic blood pressure is 100 mm Hg. Therefore, the pulse pressure is calculated as 170 - 100 = 70 mm Hg. Pulse pressure reflects the stroke volume, the amount of blood ejected from the heart with each beat. Choices A, C, and D are incorrect because they do not accurately represent the difference between the systolic and diastolic blood pressure readings provided.
2. Where is the duodenum located in the digestive system?
- A. It is the first part of the small intestine, located immediately after the stomach.
- B. It is the section of the digestive system where the gall bladder delivers bile.
- C. It is the section of the small intestine where the pancreas delivers digestive juices.
- D. None of the above.
Correct answer: D
Rationale: The duodenum is the first part of the small intestine, located immediately after the stomach. It is where the majority of digestion takes place in the gut. The pancreas delivers digestive juices containing amylase and lipase, while the gall bladder delivers bile to aid in the digestion of fats. Choice A incorrectly states that the duodenum is the third section of the small intestine, which is inaccurate. Choice B incorrectly associates the duodenum with the gall bladder, which is not where the duodenum is located. Choice C incorrectly states that the duodenum is where the pancreas delivers digestive juices, which is partly correct but not the main function of the duodenum. Therefore, the correct answer is 'None of the above' as none of the choices accurately describe the location or functions of the duodenum.
3. When considering the structural organization of the human body, what is the basic unit of life?
- A. Chemicals
- B. Atoms
- C. Molecules
- D. Cells
Correct answer: D
Rationale: The basic unit of life is the cell. Cells are considered the fundamental unit of life because they are capable of carrying out all the processes necessary for life, such as growth, reproduction, responding to stimuli, and more. While chemicals, atoms, and molecules are essential components of cells and living organisms, they are not considered the basic unit of life. Chemicals are general substances, atoms are the smallest units of matter, and molecules are combinations of atoms. Therefore, the correct answer is cells, as they are the building blocks of all living organisms.
4. For a patient who is blood type AB, which blood product can they receive?
- A. Plasma from a type B donor
- B. Whole blood from a type A donor
- C. Packed RBCs from a type O donor
- D. All of the above
Correct answer: C
Rationale: A patient with blood type AB has AB antigens on their red blood cells. This means they can only receive blood products that are compatible with these antigens. Choice A is incorrect because an AB patient cannot receive plasma from a type B donor due to the antibodies present in type B plasma. Choice B is incorrect because an AB patient cannot receive whole blood from a type A donor as it contains incompatible antigens. Choice C is the correct answer because an AB patient can receive packed RBCs from a type O donor. Type O donors have no A or B antigens, making their blood compatible for transfusion to recipients with any blood type. Therefore, choices A and B are incorrect, and the correct choice is C.
5. Which of the following organs would be described as being located retroperitoneally?
- A. Kidneys
- B. Thymus
- C. Small Intestines
- D. Spleen
Correct answer: A
Rationale: The term 'retroperitoneal' refers to organs positioned behind the peritoneum. The kidneys are retroperitoneal organs, located outside the peritoneal cavity, against the posterior abdominal wall. This positioning provides them with additional protection from external forces due to the surrounding structures. The thymus, small intestines, and spleen are not retroperitoneal organs. The thymus is located in the mediastinum, the small intestines are intraperitoneal, and the spleen is intraperitoneal and located in the left upper quadrant of the abdomen.
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